Crank



Z. E. GILLEY.

CRANK.

APPLICATION HLED SEPT. 27, 1919.

1,851,639. Pate e A g- 31,1920.

2 SHEETSSHEET I.

{/fofawiaiy 334g E I I" am Z. E. GILLEY.

CRANK.

APPLICAIION FILED SEPT. 27, 1-919.

1 3 5 1 6 3 9 Patented Aug. 31, 1920.

2 SHEETSSHEET 2.

i Be it known that I, ZACH-RIAH Z'ACHRIAH GILILEY, or LAMASCO, TEX S. 1 i

' CRANK To all whom it mag concern: r

E. GILLEY, a citizen of the United States, residing-at Lamasco, in the county of Eannin and State of Texas, have invented new and useful Improvements in Cranks, of which the follow ing is aspecification.

'This invention relates to attachments for automobiles, and has foran object the provision ofa device whereby an internal combustion motor may be cranked to start'the same without danger of injury to the oporator, due to back-firing by the engine.

' Another object of the invention is the pro-J.

vision of an engine crank device, which will permit of the free rotation of the crank in one direction, but will permit only a partial rotation when moved in a reverse direction.

A further object is the provision of a device of this character, which is simple and durable of construction, positive in operation and which may be easily secured in position for use.

Other objects and advantagesof the invention will appear as the. following deg. scription is read in connection withtheaccompanying drawings.

In the drawings Figure 1 is a front elevation of fraginentary portion of an automobile with thev invention applied thereto. I s

Fig. 2' is a fragmentary sectional view through a port-ionof an automobile showing the application of the engine, the latter being shown in elevation.

Fig. 3 is a horizontal sectional view taken- I g :q 5 In the use of he 1I1VGIlt1011,-13he handle 25" I just above thetrip. 1

Fig-4 is a section through the crank arm and transversely of the shaft which carries the said arm.

ing parts throughout the several views.

As illustrated in the accompanying drawings, the invention is shown as applied to a motor driven vehicle, although it is not the purpose of the present application to limit the use of theinvention thereto, the-said invention being equally. well adapted for cranking internal combustion engines when" used in other connections; for example, upon motor boats.

Specification'of Letters Patent.

Fig. 5 is a detail perspectiveview of-the trip. q Referring'to the drawings in detail, like characters'of reference denotecorrespond.

In carrying out the invention, there his i'fatcnjted Aug. 1929.

Application filed s epte nber 27,'i 9is. Serial n5; 326,937.

provided a short. shaft section 10, one end of whichhas an operative engagement with the end of the-crank shaft 11 of the engine, after arm.,- This lshaftlO projects, through the.

by a spring 13 for the purpose of providing the manner of the ordinary engine crank a yielding engagementbetween the shaft 10 and, the end of the engine crank shaft 11, as 1 usual ln'devices of this character.

* Secured uponithe outer end of the shaft.

10 is a crank arm-1d, the said arm being pa sitioncd transversely of the shaft 10 and extending upon'opposite sides thereof. f This arm 14: isclamped to the shaft" 10 through ears 15, which. are carried by'sleeveslfi, se- ,7

neath the shaft .10, is a bracket 19, the latter having, spaced cars 20, which have pivotally' secured between them a dog '21. This dog is' substantially L-shap ecL-being provided with extensions 22, which engage a shoulder 23 of the bracket li), for the purpose of limiting the pivotalmovement of the dog in one The extension 22 is normally direction.

heldinf engagement with the shoulder 23 v isgrasped in the ordinary manner and the arm rotated, which rotates the shaftlO to startthe motor. In the event of the engine .kicking, or back-firing, which results in V a movement of the crank arm in an opposite through themedium of a coiled spring 9Ase- H cured to the said dog and to the bracket'1 9. One end of the crank arm 14 is provided with an operating'handle 25.

direction, the said arm will contact with the V dog 21, to arrest the movement of the arm.

In order to prevent breakage of the parts, due to thesuddencontact of the arm 14: of; the dog 21, the spaced cars 15 are yieldingly held clamped'upon opposite sides of theflattened portion 17 ofthe shaft 10 through the .medium of a bolt 26, which is surrounded by a'coiled spring 27. Thus, when the crank arm 14: strikes against the dog 21,.the ears 15 will be separated against the action of the spring 17 to'permit ofthe'rotation of the crank arm 1 1 about'the shaft 10. This ro- 70 the medium of laterally extending spaced at 17, so that -rotary' movement of the arm 1 1s with'respect to theshaft is prevented. Secured to the axle 18 ofthe vehicle be Y Y claimed is z tation is, however, very gradual, being resisted by the spring27, so danger of injury" to the person cranking the qhachine is reduc ed to a minimum.

The invention is susceptible of various.

changes in its form, proportions and minor detailsof construction and the right is here in reserved to make such changes as properly fall Within the scope of'the'appended claims. 1

1 Having described the inventionawhat is 1,, V The combination with a vehicle having yan'internal combustion motor of a shaft "having an operative connection with the crank shaft ofthe motor; a crank arm carried and disposed transverseiy' of and extending upon opposite sides of the first mentioned shaft anda trip secured to the veriedby and disposedi transversely ofandzextending upon oppositesides of the first'rn entioned-shaft', a bracket secured to the axle of the vehicle below the shaft, a spring actu ateddog pivotally secured to the bracket in the path of Inovernent'of both ends ofs'aid arm; a stop for limitingthe movement of the dog in one directionand a clamp located in;

termediate the ends ofthe armfor yielding engagement With the first mentionedshaftr In testimony whereof I afiix my signature.

,ZZA RrAH E. GI L Y; 

